On Fri, Jul 18, 2014 at 12:35:24PM -0400, Alex Deucher wrote:
> On Fri, Jul 18, 2014 at 3:54 AM, Glenn Kennard
> wrote:
> > Piglit quick tests including sqrt pass, no other regressions,
> > tested on radeon 6670.
> > ---
> > Should be slightly more precise than the invsqrt/recip/mul combination
>
On Fri, Jul 18, 2014 at 3:54 AM, Glenn Kennard wrote:
> Piglit quick tests including sqrt pass, no other regressions,
> tested on radeon 6670.
> ---
> Should be slightly more precise than the invsqrt/recip/mul combination
> used previously, I reckon up to about 2 bits of mantissa, and saves
> two
Piglit quick tests including sqrt pass, no other regressions,
tested on radeon 6670.
---
Should be slightly more precise than the invsqrt/recip/mul combination
used previously, I reckon up to about 2 bits of mantissa, and saves
two instructions per sqrt emitted.
It would be good if someone could t
